Excerpt from John Sanford's "Observing the Constellations" describes the lore behind the fall constellations.

National Aeronautics and Space Administration's brief overview of the constellations contains maps, a few links, and a connect-the-stars puzzle.

Detailed guide provides descriptions, history and charts of all officially recognized constellations in the Northern and Southern hemispheres.

Guide to the prominent constellations of the southern skies. Includes a star map.

Offers answers to common questions about constellations, and features a list of resources.

Peruse a complete table with information about the 88 constellations as defined by the International Astronomical Union.

Browse through a collection of digital images of the constellations. Includes images with marked objects and visual views with lines.

Find photographs of numerous constellations, the Pleiades, the moon, Mars, comet Hale-Bopp and Polaris.

Presents a definition of the term used in astronomy as well as a history of the zodiac, and discusses the naming of stars.

Find profiles of the constellations, including catalogs of best known stars, deep sky objects and variable stars.

Guide to the constellations provides abbreviations, genitive and Latin names, both celestial hemispheres, star names, and important features.

Features an image archive highlighting stars and constellations including the star of the week.